Gantt API ; getState, gets the current state of the Gantt chart ; getSubtaskDates, calculates the combined start/end dates of tasks nested in a project or another ... Methods · Properties · Events · Templates

Full dhtmlxGantt documentation is at your disposal: start from the beginner step-by-step, explore detailed guides, look up in the API and check out live demos ... Gantt API · Samples · What's New · Guides

I want to open/close tasks with task.open attribute (task.open = true/false), so that events onTaskOpened and onTaskClosed are not called.

Unfortunately, at the moment there is no built-in API for tracking changes in parent tasks with the “project” type. You need to do it manually. This can be ... onTaskClick · onAfterTaskUpdate · onContextMenu · onTaskDblClick

The recommended approach to connect dhtmlxGantt to a backend is to implement RESTful API on the server and use dhtmlxDataProcessor on the client.

If you want to get the row number, you need to implement a custom solution by using the Gantt API and Javascript. Here is an example of how it might be ...

Gantt works only with 4 link types described in the article. The link types you have are the same link types with the lead and lag parameter.

Is there any way I can force the API to calculate the duration with a custom formula ((end_date - start_date) + 1)? I have to set end date instead of duration, ...

auto_types automatically converts tasks with subtasks to projects and projects without subtasks back to tasks.

The method invokes the onLoadStart and onLoadEnd events. Note that the method doesn't work in the Gantt version for Node.js. See also. API.